Respuesta :

Remember to use Pythagorean theorem for this problem!

a^2 + b^2 = c^2

Now, plug in the equation

48^2 + b^2 = 50^2

2304 + b^2 = 2500

b^2 = 2500-2304

b^2 = 196

b = √196

b = 14


So the length of the 3rd side is 14!


Hope this helps!